Amount of short-term debt and current maturity of long-term debt and capital lease obligations due within one year or the normal operating cycle, if longer.

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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-Publisher FASB
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-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Amount, after accumulated amortization, of debt discount.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 1A
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28541-108399

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- Definition

Fair value of the amount outstanding under the credit facility.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

+ References

No definition available.

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Debt - Additional Information (Details) - USD ($)	1 Months Ended
Debt - Additional Information (Details) - USD ($)	Apr. 30, 2016	Mar. 31, 2016	Dec. 31, 2015
Debt Instrument [Line Items]
Long-term debt, gross		$ 2,300,000,000	$ 2,300,000,000
Short-term debt and current portion of long-term debt		709,143,000	874,811,000
Subsequent Event
Debt Instrument [Line Items]
Repayments of debt	$ 25,000,000
Line of Credit
Debt Instrument [Line Items]
Fair value of amount outstanding on line of credit facility		705,000,000	$ 870,000,000
Revolving Credit Facility
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity		$ 1,750,000,000
4.000% Senior Notes Due in 2025
Debt Instrument [Line Items]
Long term debt instrument interest rate stated percentage		4.00%	4.00%
Unamortized discount on senior notes		$ 11,309,000	$ 11,619,000
5.500% Senior Notes Due 2045
Debt Instrument [Line Items]
Long term debt instrument interest rate stated percentage		5.50%	5.50%
Unamortized discount on senior notes		$ 5,182,000	$ 5,226,000